Patents by Inventor Emanuela Panetta

Emanuela Panetta has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the preparation of 1,4,7,10-tetraaza-cyclododecane-1,4,7-triacetic acid and the derivatives thereof
    Patent number: 6166201
    Abstract: A process for the preparation of 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid and the salts thereof of formula (I) ##STR1## which comprises the following steps: a) carboxymethylation reaction of a suitable precursor in water, with a haloacetic acid,b) hydrolysis reaction in basic conditions by addition of the base added at the previous step.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: December 26, 2000
    Assignee: Dibra S.p.A.
    Inventors: Giorgio Ripa, Alessandro Scala, Marcella Murru, Emanuela Panetta, Carlo Felice Viscardi, Marina Ausonio
  • Process for the preparation of 1,4,7,10-tetraaza-cyclododecane-1,4,7-triacetic acid and the derivative thereof
    Patent number: 6054581
    Abstract: A process for the preparation of 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid and the salts thereof of formula (I) ##STR1## which comprises the following steps: a) carboxymethylation reaction of a suitable precursor in water, with a haloacetic acid,b) hydrolysis reaction in basic conditions by addition of the base added at the previous step.
    Type: Grant
    Filed: June 25, 1999
    Date of Patent: April 25, 2000
    Assignee: Dibra S.p.A.
    Inventors: Giorgio Ripa, Alessandro Scala, Marcella Murru, Emanuela Panetta, Carlo Felice Viscardi, Marina Ausonio
  • Process for the preparation of 1,4,7,10-tetraaza-cyclododecane-1,4,7-triacetic acid and the derivatives thereof
    Patent number: 5962679
    Abstract: A process for the preparation of 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid and the salts thereof of formula (I) ##STR1## which comprises the following steps: a) carboxymethylation reaction of a suitable precursor in water, with a haloacetic acid,b) hydrolysis reaction in basic conditions by addition of the base added at the previous step.
    Type: Grant
    Filed: June 10, 1998
    Date of Patent: October 5, 1999
    Assignee: Dibra S.p.A.
    Inventors: Giorgio Ripa, Alessandro Scala, Marcella Murru, Emanuela Panetta, Carlo Felice Viscardi, Marina Ausonio
  • Process for the preparation of tetraazamacrocycles
    Patent number: 5922862
    Abstract: A process for the preparation of the compounds of formula (I), and (II) comprising the steps represented in the following Scheme, in which the substituents are as defined in the specification.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: July 13, 1999
    Assignee: Dibra S.p.A.
    Inventors: Marcella Murru, Emanuela Panetta, Fulvio Uberti, Andrea Beltrami, Giorgio Ripa